CN206830311U - Tail-gas purifier of vehicle - Google Patents
Tail-gas purifier of vehicle Download PDFInfo
- Publication number
- CN206830311U CN206830311U CN201720751354.9U CN201720751354U CN206830311U CN 206830311 U CN206830311 U CN 206830311U CN 201720751354 U CN201720751354 U CN 201720751354U CN 206830311 U CN206830311 U CN 206830311U
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- China
- Prior art keywords
- blast pipe
- suction pipe
- slide plate
- tail
- pipe
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of tail-gas purifier of vehicle, including central electronic control unit ECU (1), the speed probe (3) for measuring speed of crankshaft on engine (2), the vehicle speed sensor (4) for measuring rotating speed on automobile tire, cooling-water temperature sensor (6) and engines exhaust gas recirculation EGR electric-control systems for measuring engine (2) upper water box (5) temperature；ECU (1) output end is provided with the communication interface (12) for being used for setting up ECU (1) running parameter；Bypass line (9) is provided with air extractor with blast pipe (7) junction.A kind of tail-gas purifier of vehicle that can more efficiently reduce NOx emission and further expand the tail-gas purifier of vehicle scope of application is provided.
Description
Technical field
The utility model belongs to motor vehicle exhaust emission purification techniques field, is related to a kind of tail-gas purifier of vehicle.
Background technology
Currently, motor vehicle exhaust emission problem has been the developed country such as one of source of atmosphere pollution, America and Europe for tail gas
Discharge index is more and more stricter.Before, vehicle is usually that ternary catalyzing unit is installed on blast duct for vehicle to reduce vehicle
The discharge of pernicious gas, but ternary catalyzing unit has deficiency easy to aging, that conversion efficiency is low.In the prior art, have by useless
Gas method for recycling reduces noxious gas emission, such as：Utility model patent disclosed in State Intellectual Property Office：It is a kind of
Automobile tail gas purification compound electronic control apparatus, 2011100531134, spray Electronic Control subsystem and hair especially by air
Motivation waste gas recycles the automatically controlled subsystems of EGR to reduce NOx discharge, but two electronic control units in the technical scheme
Input be only engine rotational speed signal and throttle position signal, i.e. the input connection hair of the first electronic control unit
Motivation tach signal connects engine rotational speed signal and solar term with the input of throttle position signal, the second electronic control unit
Door position signal, the data that so two electronic control units are collected are limited, it is impossible to truly reflect engine
Working condition；So as to cause the control that two electronic control unit output ends work two high-frequency electromagnetic valves, and then can not
It is effectively reduced NOx emission.In addition, tail gas clean-up control device of the prior art is configured electricity both for a vehicle
The running parameter of sub-control unit, i.e., a set of tail gas clean-up control device may be only available for a vehicle, and this just greatly limit
The promotion and popularization of tail gas clean-up control device.
Utility model content
The technical problems to be solved in the utility model is to overcome existing technological deficiency, there is provided one kind can be more accurate
Ground reduces NOx emission and further expands the tail-gas purifier of vehicle of the tail-gas purifier of vehicle scope of application.
Technical solution of the present utility model is to provide a kind of tail-gas purifier of vehicle with following structure：It
Including central electronic control unit ECU, for measuring the speed probe of speed of crankshaft on engine, for measuring automobile tire
The vehicle speed sensor of upper rotating speed, cooling-water temperature sensor and engines exhaust gas recirculation EGR for measuring engine upper water box temperature
Electric-control system；Speed probe is connected with ECU inputs by signal, and vehicle speed sensor is connected with ECU inputs by signal,
Cooling-water temperature sensor is connected with ECU inputs by signal, and engines exhaust gas recirculation EGR electric-control systems include starting for connection
The bypass line of blast pipe and air inlet pipe in engine on machine, bypass line is interior to be provided with high-frequency electromagnetic valve, the control of high-frequency electromagnetic valve
End processed is connected with ECU output end signals；Blast pipe is provided with ternary catalyzing unit, and ternary catalyzing unit is located at engine and bypass line
Between；ECU output ends are provided with the communication interface for being used for setting up ECU running parameters；Bypass line is provided with blast pipe junction and taken out
Device of air.
As it is of the present utility model it is a kind of preferably bypass line is provided with cleaner, cleaner be located at high-frequency electromagnetic valve and
Between blast pipe.
As it is of the present utility model it is a kind of preferably, described air extractor includes supporting plate, slide plate and is used for and bypass line
The suction pipe of connection, supporting plate one end are provided with montant, and slide plate slides are connected on montant, and supporting plate be arranged in parallel with slide plate, blast pipe position
In gap between slide plate and supporting plate, montant upper end is combined with the first nut, and slide plate is between the first nut and supporting plate；Inhale
Pipe is slidably connected on slide plate, and suction pipe is parallel with montant, and suction pipe is inserted into blast pipe through blast pipe side wall, and suction pipe is upper
One end is resisted against on exhaust inside pipe wall inside blast pipe, and suction pipe is inserted into blast pipe along air slit diameter direction, on slide plate
Provided with the pilot hole slided for suction pipe, be provided with frustum positioned at one end outside blast pipe on suction pipe, pilot hole lower end be provided with for
The chamfering that frustum pushes against, the second nut is combined with suction pipe, slide plate is between the second nut and frustum；It is socketed with suction pipe close
Seal, sealing ring is between frustum and exhaust tube wall；Slide plate is provided with the temperature for being used to measure exhaust tube wall temperature and passed
Sensor, slide plate are provided with water storage box, and the watering runner for flowing of supplying water, delivery port and the watering runner of water storage box are provided with slide plate
Water inlet connects, and the delivery port for runner of sprinkling water is located above blast pipe, and the switch of water storage box is connected with temperature sensor signal.
As a kind of improvement of the present utility model, boss is provided with towards blast pipe side on supporting plate, direction is vented on boss
Pipe side is inner concave.
As a kind of improvement of the present utility model, blast pipe side wall is provided with the through hole passed through for suction pipe.
As a kind of improvement of the present utility model, the pumping runner for exhaust gas flow is provided with suction pipe, pumping runner edge is inhaled
Length of tube direction is set, and multiple grids being used for being evacuated flow passage are provided with positioned at blast pipe interior zone on suction pipe, multiple
Grid is uniformly distributed around suction pipe axis.
As a kind of improvement of the present utility model, montant is vertically set on supporting plate.
After above structure, compared with prior art, this practicality is new for a kind of tail-gas purifier of vehicle of the utility model
Type is docked by external computer with communication interface, and then sets up ECU running parameter；That is, same Vehicular exhaust is net
The exhaust emissions situation that can apply to different automobile types is put in makeup, it is only necessary to sets up the range of speeds, vehicle speed range and the water in ECU
Warm scope, and then expand the scope of application of tail-gas purifier of vehicle；In addition, by collecting engine speed, vehicle row
Speed and engine water temperature situation are sailed, engine behavior can be analyzed more fully hereinafter, so as to more accurately control
High-frequency electromagnetic valve work processed, and then can more accurately reduce NOx emission；Further, it is evacuated in bypass line from blast pipe
During, suction pipe is inserted into blast pipe, and straw end is resisted against on exhaust inside pipe wall, so as to suction pipe, montant, supporting plate and cunning
Plate constitutes the structure of a quadrangle, and blast pipe is sandwiched between slide plate and supporting plate, so, in vehicle travel process
In, the load that vehicle vibration is brought can be not only born between suction pipe and blast pipe side wall, and outside supporting plate, slide plate and blast pipe
Blast pipe can also be played a supporting role between wall, and then make it that the connection of suction pipe and blast pipe is relatively reliable, blast pipe is with inhaling
Pipe junction is not easy to deform；The temperature of blast pipe side wall can be detected by temperature sensor, when Tail Pipe Temperature reaches
To a certain extent, temperature sensor can send signal to start the opening of the switch on water storage box, so as to the cooling in water storage box
Liquid stream is finally sprayed onto on exhaust tube wall, and then to blast pipe progress Local cooling, avoid blast pipe local through runner of sprinkling water
Temperature is too high and causes sealed ring deformation to fail, and then improves the functional reliability and service life of sealing ring.In summary, originally
Utility model provides one kind and can more efficiently reduce NOx emission and further expand the applicable model of tail-gas purifier of vehicle
The tail-gas purifier of vehicle enclosed.
Brief description of the drawings
Fig. 1 is the module map of the utility model tail-gas purifier of vehicle.
Fig. 2 is the fundamental diagram of the utility model tail-gas purifier of vehicle.
Fig. 3 is the structural representation of air extractor in the utility model tail-gas purifier of vehicle.
Fig. 4 is the structural representation of suction pipe in the utility model.
Shown in figure：1st, central electronic control unit ECU, 2, engine, 3, speed probe, 4, vehicle speed sensor, 5,
Water tank, 6, cooling-water temperature sensor, 7, blast pipe, 8, air inlet pipe, 9, bypass line, 10, high-frequency electromagnetic valve, 11, ternary catalyzing unit,
12nd, communication interface, 13, cleaner, 14, supporting plate, 15, slide plate, 16, suction pipe, 17, montant, the 18, first nut, 19, pilot hole,
20th, frustum, the 21, second nut, 22, water storage box, 23, watering runner, 24, sealing ring, 25, boss, 26, pumping runner, 27, lattice
Grid.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
As illustrated, it includes central electronic control unit (ECU) 1, the rotating speed for measuring speed of crankshaft on engine 2
Sensor 3, the vehicle speed sensor 4 for measuring rotating speed on automobile tire, the water temperature for measuring the temperature of 2 upper water box of engine 5
Sensor 6 and engines exhaust gas recirculation EGR electric-control systems；Speed probe 3 is connected with (ECU) 1 input by signal, car
Fast sensor 4 is connected with (ECU) 1 input by signal, and cooling-water temperature sensor 6 is connected with (ECU) 1 input by signal, hair
Motivation waste gas recycling EGR electric-control systems include being used for the bypass for connecting blast pipe 7 and the enterprising tracheae 8 of engine 2 on engine 2
Pipeline 9, bypass line 9 is interior to be provided with high-frequency electromagnetic valve 10, and the control terminal of high-frequency electromagnetic valve 10 is connected with (ECU) 1 output end signal；
Blast pipe 7 is provided with ternary catalyzing unit 11, and ternary catalyzing unit 11 is between engine 2 and bypass line 9；(ECU) 1 output end
Provided with the communication interface 12 for setting up (ECU) 1 running parameter；Bypass line 9 is provided with air extractor with the junction of blast pipe 7.
Described central electronic control unit (ECU) 1 is the level controllers of ARM 32, and the controller has small volume, consume energy low, high-performance
The characteristics of.
Bypass line 9 is provided with cleaner 13, and cleaner 13 is between high-frequency electromagnetic valve 10 and blast pipe 7.
Described air extractor includes supporting plate 14, slide plate 15 and the suction pipe 16 for being connected with bypass line 9, supporting plate 14 1
End is provided with montant 17, and slide plate 15 is slidably connected on montant 17, and supporting plate 14 be arranged in parallel with slide plate 15, and blast pipe 7 is located at slide plate
In gap between 15 and supporting plate 14, the upper end of montant 17 is combined with the first nut 18, and slide plate 15 is located at the first nut 18 and supporting plate
Between 14；Suction pipe 16 is slidably connected on slide plate 15, and suction pipe 16 is parallel with montant 17, and suction pipe 16 inserts through the side wall of blast pipe 7
Into blast pipe 7, and it is resisted against on suction pipe 16 positioned at the inside one end of blast pipe 7 on the inwall of blast pipe 7, suction pipe 16 is along blast pipe 7
Diametric(al) is inserted into blast pipe 7, and slide plate 15 is provided with the pilot hole 19 slided for suction pipe 16, is located at blast pipe on suction pipe 16
7 outsides one end are provided with frustum 20, and the lower end of pilot hole 19 is provided with the chamfering for being used for pushing against with frustum 20, second is combined with suction pipe 16
Nut 21, slide plate 15 is between the second nut 21 and frustum 20；Sealing ring 24 is socketed with suction pipe 16, sealing ring 24 is positioned at cone
Between platform 20 and the outer wall of blast pipe 7；Slide plate 15 is provided with the temperature sensor for being used for measuring the outside wall temperature of blast pipe 7, slide plate 15
Water storage box 22 is provided with, the watering runner 23 for flowing of supplying water, delivery port and the watering runner 23 of water storage box 22 are provided with slide plate 15
Water inlet connection, the delivery port of watering runner 23 be located above blast pipe 7, the switch and temperature sensor signal of water storage box 22
Connection.
Boss 25 is provided with towards the side of blast pipe 7, towards the side of blast pipe 7 be inner concave on boss 25 on supporting plate 14.
The side wall of blast pipe 7 is provided with the through hole passed through for suction pipe 16.
The pumping runner 26 for exhaust gas flow is provided with suction pipe 16, pumping runner 26 is set along the length direction of suction pipe 16, is inhaled
Multiple grids 27 for being used to connect with pumping runner 26 are provided with positioned at the interior zone of blast pipe 7 on pipe 16, multiple grids 27 are around suction
The axis of pipe 16 is uniformly distributed；It is used to contact one end rounding with the inwall of blast pipe 7 on suction pipe 16.
Montant 17 is vertically set on supporting plate 14.
Operation principle：First, the component of the device being installed on vehicle, external computer is connected with communication interface 12,
Parameter in ECU is configured, design parameter is as follows, and the rotating speed in ECU, speed and water temperature are set, such as：Will
Rotating speed is arranged on 1500-3000r/min, and speed is arranged on 30-80km/h, and water temperature is arranged on 60 DEG C；
Then, vehicle ignition start, vehicle in the process of moving, when the rotating speed that speed probe 3 measures reaches 2000r/
The water temperature that the speed that min, vehicle speed sensor 4 measure reaches 40km/h, cooling-water temperature sensor 6 measures reaches 60 DEG C, and now ECU is sent
To cause high-frequency electromagnetic valve 10 to work, high-frequency electromagnetic valve 10 can be made signal according to different vehicle speed values, water temperature value and tachometer value
Go out corresponding aperture to control tail gas to enter the quantity of engine 2, the tail gas in blast pipe 8 flows through cleaner 13, high-frequency electromagnetic
Valve 10, air inlet pipe 8 to engine 2, are burnt again, so as to reduce the discharge of NOx in tail gas；
And for the vehicle of different automobile types, it is only necessary to by communication interface 12 come to the rotating speed in ECU, speed and water
Temperature is set, it is possible to which playing reduces the discharge of NOx in tail gas.
In addition, during bypass line 9 is evacuated from blast pipe 7, suction pipe 16 is inserted into blast pipe 7 first,
Until the bottom of suction pipe 16 is resisted against on the inwall of blast pipe 7；Then, the one end of slide plate 15 is socketed on montant 17, the other end leads to
Cross pilot hole 19 to be socketed on suction pipe 16, then the first nut 18 is screwed on montant 17, the second nut 21 is screwed in suction pipe 16
On, untill the frustum 20 on 19 times chamfers of pilot hole and suction pipe 16 pushes against, now, sealing ring 24 is also pressed in frustum
Between 20 and the outer wall of blast pipe 7；That is, the side of blast pipe 7 is resisted against on the inner concave of the convex platform 25 of supporting plate 14, blast pipe
7 opposite sides are compressed by slide plate 15, so as to which the outer wall of blast pipe 7 is clamped between supporting plate 14 and slide plate 15, and pass through the first nut
18 and second nut 21 carry out locking, i.e. supporting plate 14, slide plate 15, montant 17 and suction pipe forms a stable quadrilateral structure.
Preferred embodiment of the present utility model is the foregoing is only, is not intended to limit the scope of protection of the utility model.
All any modification, equivalent substitution and improvement within the utility model claims, made etc., it is new to should be included in this practicality
Within the protection domain of type.
Claims (7)
- A kind of 1. tail-gas purifier of vehicle, it is characterised in that：It includes central electronic control unit ECU (1), sent out for measuring The speed probe (3) of speed of crankshaft, the vehicle speed sensor (4) for measuring rotating speed on automobile tire in motivation (2), for surveying Measure the cooling-water temperature sensor (6) and engines exhaust gas recirculation EGR electric-control systems of engine (2) upper water box (5) temperature；Revolution speed sensing Device (3) is connected with ECU (1) input by signal, and vehicle speed sensor (4) is connected with ECU (1) input by signal, water temperature Sensor (6) is connected with ECU (1) input by signal, and engines exhaust gas recirculation EGR electric-control systems include being used to connect hair The bypass line (9) of blast pipe (7) and engine (2) enterprising tracheae (8) in motivation (2), bypass line (9) is interior to be provided with high-frequency electrical Magnet valve (10), the control terminal of high-frequency electromagnetic valve (10) are connected with ECU (1) output end signal；Blast pipe (7) is provided with three-element catalytic Device (11), ternary catalyzing unit (11) are located between engine (2) and bypass line (9)；ECU (1) output end, which is provided with, to be used to set up The communication interface (12) of ECU (1) running parameter；Bypass line (9) is provided with air extractor with blast pipe (7) junction.
- 2. tail-gas purifier of vehicle according to claim 1, it is characterised in that：Bypass line (9) is provided with cleaner (13), cleaner (13) is located between high-frequency electromagnetic valve (10) and blast pipe (7).
- 3. tail-gas purifier of vehicle according to claim 1, it is characterised in that：Described air extractor includes supporting plate (14), slide plate (15) and the suction pipe (16) for being connected with bypass line (9), supporting plate (14) one end are provided with montant (17), slide plate (15) it is slidably connected on montant (17), supporting plate (14) be arranged in parallel with slide plate (15), and blast pipe (7) is located at slide plate (15) and support In gap between plate (14), montant (17) upper end is combined with the first nut (18), slide plate (15) be located at the first nut (18) with Between supporting plate (14)；Suction pipe (16) is slidably connected on slide plate (15), and suction pipe (16) is parallel with montant (17), and suction pipe (16) passes through Blast pipe (7) side wall is inserted into blast pipe (7), and is resisted against blast pipe positioned at the internal one end of blast pipe (7) on suction pipe (16) (7) on inwall, suction pipe (16) is inserted into blast pipe (7) along blast pipe (7) diametric(al), and slide plate (15) is provided with and supplies suction pipe (16) pilot hole (19) slided, frustum (20) is provided with positioned at the outside one end of blast pipe (7) on suction pipe (16), under pilot hole (19) End is provided with the chamfering for being used for pushing against with frustum (20), and the second nut (21) is combined with suction pipe (16), and slide plate (15) is located at second Between nut (21) and frustum (20)；Sealing ring (24) is socketed with suction pipe (16), sealing ring (24) is located at frustum (20) and row Between tracheae (7) outer wall；Slide plate (15) is provided with the temperature sensor for being used for measuring blast pipe (7) outside wall temperature, slide plate (15) Water storage box (22) is provided with, the watering runner (23) for flowing of supplying water is provided with slide plate (15), the delivery port of water storage box (22) is with spilling The water inlet connection of water flow passage (23), the delivery port of watering runner (23) are located above blast pipe (7), the switch of water storage box (22) It is connected with temperature sensor signal.
- 4. tail-gas purifier of vehicle according to claim 3, it is characterised in that：Towards blast pipe (7) on supporting plate (14) Side is provided with boss (25), towards blast pipe (7) side is inner concave on boss (25).
- 5. tail-gas purifier of vehicle according to claim 3, it is characterised in that：Blast pipe (7) side wall is provided with for inhaling The through hole that pipe (16) passes through.
- 6. tail-gas purifier of vehicle according to claim 3, it is characterised in that：It is provided with suction pipe (16) and supplies exhaust gas flow Pumping runner (26), pumping runner (26) is set along suction pipe (16) length direction, internal positioned at blast pipe (7) on suction pipe (16) Region is provided with multiple grids (27) for being used to connect with pumping runner (26), and multiple grids (27) are uniformly divided around suction pipe (16) axis Cloth.
- 7. tail-gas purifier of vehicle according to claim 3, it is characterised in that：Montant (17) is vertically set on supporting plate (14) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751354.9U CN206830311U (en) | 2017-06-26 | 2017-06-26 | Tail-gas purifier of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720751354.9U CN206830311U (en) | 2017-06-26 | 2017-06-26 | Tail-gas purifier of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206830311U true CN206830311U (en) | 2018-01-02 |
Family
ID=60777070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720751354.9U Expired - Fee Related CN206830311U (en) | 2017-06-26 | 2017-06-26 | Tail-gas purifier of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206830311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131064A (en) * | 2017-06-26 | 2017-09-05 | 雄创（上海）新能源科技有限公司 | Tail-gas purifier of vehicle |
| CN108535420A (en) * | 2018-04-25 | 2018-09-14 | 南京大雷科技有限公司 | A kind of new-energy automobile contrasting detection device |
-
2017
- 2017-06-26 CN CN201720751354.9U patent/CN206830311U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131064A (en) * | 2017-06-26 | 2017-09-05 | 雄创（上海）新能源科技有限公司 | Tail-gas purifier of vehicle |
| CN108535420A (en) * | 2018-04-25 | 2018-09-14 | 南京大雷科技有限公司 | A kind of new-energy automobile contrasting detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180102 Termination date: 20200626 |
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| CF01 | Termination of patent right due to non-payment of annual fee |